feat: add RedisEventStore for production SSE resumability #2260

Job	Run time
checks / pre-commit	37s
checks / test (3.10, lowest-direct, windows-latest)	2m 38s
checks / test (3.10, locked, windows-latest)	2m 21s
checks / test (3.12, lowest-direct, windows-latest)	3m 31s
checks / test (3.11, lowest-direct, windows-latest)	2m 41s
checks / readme-snippets	12s
checks / test (3.11, lowest-direct, ubuntu-latest)	54s
checks / test (3.11, locked, windows-latest)	2m 45s
checks / test (3.12, locked, ubuntu-latest)	52s
checks / test (3.10, locked, ubuntu-latest)	51s
checks / test (3.11, locked, ubuntu-latest)	45s
checks / test (3.12, lowest-direct, ubuntu-latest)	1m 4s
checks / test (3.12, locked, windows-latest)	3m 24s
checks / test (3.10, lowest-direct, ubuntu-latest)	1m 3s
checks / test (3.13, lowest-direct, ubuntu-latest)	56s
checks / test (3.14, locked, windows-latest)	3m 2s
checks / test (3.13, locked, windows-latest)	2m 34s
checks / test (3.13, lowest-direct, windows-latest)	2m 20s
checks / test (3.14, lowest-direct, ubuntu-latest)	1m 18s
checks / test (3.13, locked, ubuntu-latest)	46s
checks / test (3.14, locked, ubuntu-latest)	2m 17s
checks / test (3.14, lowest-direct, windows-latest)	2m 49s
all-green	4s
	39m 44s

Provide feedback